2520560

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{643}}^1$

素因数の和:670

約数の個数: 60

約数和(自身を含む): 6827688

約数和(自身を除く): 4307128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 643, 784, 980, 1286, 1960, 2572, 3215, 3920, 4501, 5144, 6430, 9002, 10288, 12860, 18004, 22505, 25720, 31507, 36008, 45010, 51440, 63014, 72016, 90020, 126028, 157535, 180040, 252056, 315070, 360080, 504112, 630140, 1260280, 2520560]

約数ペア:

[(1, 2520560), (2, 1260280), (4, 630140), (5, 504112), (7, 360080), (8, 315070), (10, 252056), (14, 180040), (16, 157535), (20, 126028), (28, 90020), (35, 72016), (40, 63014), (49, 51440), (56, 45010), (70, 36008), (80, 31507), (98, 25720), (112, 22505), (140, 18004), (196, 12860), (245, 10288), (280, 9002), (392, 6430), (490, 5144), (560, 4501), (643, 3920), (784, 3215), (980, 2572), (1286, 1960)]